Technician a Says That a Sheave Should Be Inspected for Any

question 139

Multiple Choice

Technician A says that a sheave should be inspected for any wear marks. Technician B says that if there are any groves in a sheave it can cause the belt to get stuck on the groove. Who is correct?

• A) Technician A
• B) Technician B
• C) Both technicians
• D) Neither technician

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Definitions:

MC

Marginal cost; the cost incurred by producing one additional unit of a product.

External Cost

Costs that are not borne by the parties involved in an economic transaction but are suffered by other members of society.

Free-Rider Problem

A situation where individuals consume more than their fair share of a public resource, or shoulder less than a fair share of the costs of its production, without contributing to the resource's provision.

Air Pollution

The presence of harmful or excessive quantities of substances, including gases, particulates, and biological molecules, in the Earth's atmosphere, causing diseases, allergies, or environmental damage.